#include<iostream>
using namespace std;

int main()
{
	int a=1, b=2, c=4;
	double ret1, ret2, ret3;

	ret1=(a + b + c) / 3 ;
	ret2=(a + b + c ) / 3.0;
	ret3 = (a + b + c) * 1.0 / 3;

	cout << ret1 << ' ' << ret2 << ' '<<ret3;
}